Use what you know about fossils to choose the correct answers from the drop-down menus to complete each statement
if the same organism appears on two different continents, this is evidence of
Fossils show how organisms change, or
over time
Fossis provide a record of animals that are
or no longer living

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals